Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2020   22:33:58   (  -0.00,-137.17) (  -0.06,-137.55)   42.24                80
 08/06/2020   22:17:54   (  -0.00,-137.18) (   0.94,-133.02)  474.20                80
 08/08/2020   10:39:42   (   0.00,-137.17) (   0.24,-138.29)  126.87                80
 08/09/2020   10:18:18   (   0.00,-137.17) (  -0.75,-133.75)  389.14                80
 08/10/2020   22:40:15   (  -0.00,-137.16) (  -0.43,-139.06)  215.91                80
 08/11/2020   22:24:10   (  -0.01,-137.16) (   0.56,-134.52)  299.78                80
 08/13/2020   10:45:59   (   0.01,-137.14) (   0.61,-139.79)  302.43                80
 08/14/2020   10:24:34   (   0.01,-137.13) (  -0.38,-135.26)  212.65                80
 08/15/2020   22:46:32   (  -0.02,-137.11) (  -0.80,-140.57)  394.11                80
 08/16/2020   22:30:27   (  -0.02,-137.10) (   0.20,-136.03)  120.53                80
 08/18/2020   10:52:15   (   0.02,-137.07) (   0.98,-141.30)  483.12                80
 08/19/2020   10:30:51   (   0.02,-137.05) (  -0.02,-136.77)   31.12                80